Combustion Cannons

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SpudFiles Potato Gun Commercial

Last post by quinn whitsitt
Replies: 15
by PCGUY » Tue Oct 29, 2013 10:54 pm
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First post

I've been wanting to get in some spud shooting action this fall before the weather got cold. I know it's been a while since I filmed anything for...

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thank you for creating this website is there anything i can do to help
15 Replies

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Last post by quinn whitsitt
Fri Feb 09, 2024 2:38 pm
Sparker Reference Guide

Last post by quinn whitsitt
Replies: 45
by rcman50166 » Tue Feb 05, 2008 4:19 pm
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OK. Everyone always seems to know more than me in almost every topic on this site. But this is my domain! High voltage electricity is what i know...

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great job how can i help the fourms
45 Replies

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Last post by quinn whitsitt
Fri Mar 01, 2024 10:52 am

Topics

Hey everyone, I am new and just starting on my P.cannon

Last post by chenslee
Replies: 1
by Scourch » Sun Jun 28, 2009 4:28 pm

First post

Hey everyone, greetings and all that fun stuff.

My name is Sean, and you can call me Sean, Scourch, or Newbie, whichever ya like!

That being said,...

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Model rocket starters rely on a thin wire getting hot and setting off a match head like chemical that ignites the motor. You would have to replace...

1 Replies

1184 Views

Last post by chenslee
Mon Jun 29, 2009 8:23 am
NothingSpecial, my latest commissioned piece

Last post by starman
Replies: 11
by NeoSpud » Fri May 29, 2009 8:40 pm

First post

Nothing Special
Just your run of the mill spudgun

Hiya fellas, hope you're all doing well. Just thought I'd drop in and share another...

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Sorry Neo, this one totally slipped by me. Beautiful work as usual! Love the built-in stand and integrated handle/trigger...very sleek. Clear PVC is...

11 Replies

7594 Views

Last post by starman
Sun Jun 28, 2009 12:34 pm
New member...first cannon!

Last post by Ductapemaster
Replies: 15
by Ductapemaster » Thu Jun 18, 2009 5:49 pm
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Hey guys, I'm new here and I thought I would show off my first cannon. I finally convinced my mom to let me build it! She still doesn't like it......

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Well, I guess Google has proved me wrong once again. I went shooting tonight at dusk and the cannon was working really well. I had to glue in my...
15 Replies

8099 Views

Last post by Ductapemaster
Sat Jun 27, 2009 2:58 am
Capacitor ?

Last post by Technician1002
Replies: 9
by Demon » Tue Jun 02, 2009 7:01 pm

First post

Did anyone already tryed to make a capacitor bb/paintball gun? I just blew up mine and i has some pretty impressive POW !

Let me tell you how(lol):...

Last post

I think Demon means the scored burst pattern in the cap blew instead of the rubber plug.

Most likely correct. Some cheap ones are not scored and...

9 Replies

2825 Views

Last post by Technician1002
Tue Jun 23, 2009 7:48 pm
Rapid one push fueling device

Last post by MRR
Replies: 17
by MRR » Sun Jun 21, 2009 6:48 am
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Hey guys,
like some of you know I'm more into pneumatics but while thinking over some issues about my gun i had the following idea...

The...

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@sniper hero
This hammer or push valve is not like yours. It consist of two equal or nearly equal surfaces and cancel each other out. The only force...
17 Replies

6809 Views

Last post by MRR
Tue Jun 23, 2009 10:49 am
Revamped Combustion

Last post by Technician1002
Replies: 41
by DirtyDan » Thu Jul 26, 2007 6:58 pm
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well... it's taken me a little less than a week, but I finally got around to painting my combustion. I was a bit worried since I've never really...

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Don't sweat it it's fine

First few times we always let it slide anyway.

Welcome to spudfiles by the way :wink:

Thanks for the bump. I haven't...
41 Replies

22421 Views

Last post by Technician1002
Mon Jun 22, 2009 7:04 pm
My first cannon (about 4 years old)

Last post by boom_o_matic_2.0
Replies: 2
by boom_o_matic_2.0 » Wed Apr 15, 2009 12:58 pm

First post

This is my very first cannon. As you can see it looks terrible. I just thought I d show you all. you can't really see but I've got a grill ignitor on...

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its all PVC. those are just for interchangable barrels. the black part was painted. I had a black barrel for it but it got broke.

2 Replies

3144 Views

Last post by boom_o_matic_2.0
Mon Jun 22, 2009 1:33 pm
Triple Thunder - Noise Cannons

Last post by Ductapemaster
Replies: 63
by starman » Sun Jul 06, 2008 10:41 pm
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I've been working on this idea for about 6 months now and have finally completed and actually already used these cannons. I've been busy with shows...

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Wow! Very nice job. I really like the propane injection system. Makes things less complex on the gun. Also, your ignition chain system is a great...
63 Replies

37635 Views

Last post by Ductapemaster
Mon Jun 22, 2009 1:29 pm
C:B Ratio Decision

Last post by jimmy101
Replies: 14
by Mitch21 » Tue Jun 16, 2009 5:13 am

First post

Hi fellow spudders

I'm new to SpudFiles here, and I have a question. (I did search)
My friend and I are planning to build a combustion cannon, and I...

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It's weird though, according to Latke's tests, a 0.8:1 ratio actually outperformed a higher ratio:

Like Rag and I have already said, Latke got...

14 Replies

6278 Views

Last post by jimmy101
Wed Jun 17, 2009 3:39 pm
Butane Combustion Cannon

Last post by M.J.P.
Replies: 11
by M.J.P. » Tue Jun 16, 2009 2:36 am

First post

Hey all, I'm really new to combustion cannons so i would like to upload my design and specs just so it can be looked at and improved (don't want to...

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There is a guy on Youtube by the name of MushiYoshi , and he has an assortment of combustion cannons. Here on SpudFiles, he goes by TheBuG, and he...

11 Replies

7666 Views

Last post by M.J.P.
Wed Jun 17, 2009 2:23 am
DWV or no?

Last post by jimmy101
Replies: 14
by balt11t » Mon Jun 15, 2009 1:44 pm

First post

I have a simple spray 'n' pray gun mapped out and I'm ready to buy the parts, but I ran into a little snag. I've been researching a little bit and...

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You won't have a problem with DWV fittings at first, but they will eventually fail...
Really? Seems to me that the vast majority of combustion gun...

14 Replies

4686 Views

Last post by jimmy101
Tue Jun 16, 2009 1:18 pm
I can't get it to fire!!!!!!!

Last post by jimmy101
Replies: 24
by theBOOM » Fri Jun 12, 2009 9:49 pm
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Hello spudders I recently joined Spudfiles and have been browsing around :lol:

Anyway, I built a mini/small spud gun this week and as fuel I'm...

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Like Tech said, the gauge of the wire and/or screws makes zero difference in how the spark system behaves. Any gauge, any type of metal (Al, Cu, Fe...
24 Replies

9335 Views

Last post by jimmy101
Tue Jun 16, 2009 12:41 pm
Abs lid is very tight

Last post by PCGUY
Replies: 12
by nosebleedXD » Thu Jun 11, 2009 10:48 pm

First post

for some reason, my abs lid is very tight to seal onto the gun

i need to use a wrench each time just to open and close it

it gets very annoying and...

Last post

Good job crapping on this thread guys... maybe next time some mature sense will kick in so the censors don't have to kick in so much.

12 Replies

3218 Views

Last post by PCGUY
Sun Jun 14, 2009 11:47 pm
SD Triple One (SD-111)

Last post by tom666
Replies: 33
by tom666 » Sun May 03, 2009 5:59 am
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It has only been fired a handful of times and is kept on display as a conversation piece.

Technically...., 65mm dia. barrel 150mm dia. outer casing...

Last post

blah blah
33 Replies

15715 Views

Last post by tom666
Sun Jun 14, 2009 6:06 am
Simple yet effective combustion cannon

Last post by inonickname
Replies: 22
by SpudBlaster15 » Wed Oct 18, 2006 11:40 pm
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Lorem ipsum dolor sit amet, consectetur adipiscing elit. Cras nec placerat erat. Vivamus dapibus egestas nunc, at eleifend neque. Suspendisse...

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Please stop bumping old topics everyone; this was from '06!
22 Replies

15272 Views

Last post by inonickname
Sat Jun 13, 2009 12:42 am
TSCC50 (Tactical Stealth Combustion Cannon 50")

Last post by mikemurph
Replies: 8
by mikemurph » Thu Jun 11, 2009 3:21 pm

First post

This is my latest combustion gun, the TSCC50. This gun measures 50 long. I finished painting it today, I hope you like the custom camouflage. I built...

Last post

I just didn't have it screwed on all the way

8 Replies

3298 Views

Last post by mikemurph
Fri Jun 12, 2009 4:46 pm
Lets talk torch heads

Last post by jimmy101
Replies: 12
by polk county » Sat Aug 30, 2008 9:20 pm

First post

This is a multi question post designed to kick up a torch head discussion so that modern and dated ideas can be reviewed and compared.

1) What’s...

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BTW, no need to cut the torch head off, indeed all that does is increase the risk of getting liquid propane into your meter system, and makes the...

12 Replies

6327 Views

Last post by jimmy101
Fri Jun 12, 2009 10:53 am
Combustion design

Last post by jimmy101
Replies: 2
by qwerty » Thu Jun 11, 2009 1:34 pm

First post

This is my new combustion gun that i am planning to build i just want to see what people think of it any tips or hints would be highly appreciated....

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More sparks would be good, especially considering the chamber's shape.

The fan probably needs to be nearer the cleanout:
1. That's the easiest place...

2 Replies

1442 Views

Last post by jimmy101
Thu Jun 11, 2009 5:23 pm
need help with ignition coil/ spark plug

Last post by Technician1002
Replies: 11
by esbenrb1 » Thu Jun 11, 2009 4:12 am

First post

Hi

I recently bought an ignition coil

a 12 volt scooter battery and a spark plug.

but i cant get the spark plug to light.
can someone draw or...

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jimmy; my best edumcated guess would be the brass colored mounting hole is actually the ground for the HV side, the blue marked tab is the battery +,...

11 Replies

3235 Views

Last post by Technician1002
Thu Jun 11, 2009 4:57 pm
Ingition Coil less camera ignition hook up?

Last post by jimmy101
Replies: 2
by spudkilla224 » Thu Jun 11, 2009 9:09 am

First post

Hello everyone, i was wondering if there is any other way to wire up a disposable camera flash to a potato cannon without using a automobile igniton...

Last post

Like Carlman said, read the wiki.

You can try a Triggered spark gap (it's on the wiki page). That setup is also called a trigatron.

Not the...

2 Replies

1556 Views

Last post by jimmy101
Thu Jun 11, 2009 11:45 am
Sparkstrip designs. ?

Last post by theBOOM
Replies: 14
by ozoncqp » Sun Apr 05, 2009 1:58 pm

First post

I got a question about powerstrip designs.
I can't get threaded endcaps unless I want to pay 55$+ for one. And I don't want to glue up my cannon 100%...

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Yes I agree with biopyro a spark strip in this chamber is crucial since it is so long (24 inch?) nway... Plus the fun part about cannons is actually...

14 Replies

5553 Views

Last post by theBOOM
Thu Jun 11, 2009 1:06 am
hydrogen and oxygen as fuel

Last post by rp181
Replies: 14
by c11man » Wed Jun 10, 2009 11:01 am

First post

i have the ability to create oxygen and hydrogen and was wondering how good of a fuel it is.

this would be for a large mini (oxymoron?)

i have no...

Last post

been there...
I made a cheap cell (later I did it with PVC, bubbler, and several different types of arrestors) with some metal plates, and a kraft...

14 Replies

2805 Views

Last post by rp181
Wed Jun 10, 2009 3:45 pm
Parts for combustion cannon

Last post by c11man
Replies: 8
by niglch » Tue Jun 09, 2009 11:01 pm

First post

After building a pneumatic cannon last summer, I'm considering expanding my horizons and making an advanced (metered propane/MAPP gas + chamber fan)...

Last post

i agree to check out the triple thunder.

also to get 4 and 3inch fittings you could try www.flexpvc.com it is a decent price and shipping is fair....

8 Replies

2896 Views

Last post by c11man
Wed Jun 10, 2009 8:13 am
BH-2400 pro Updated Fan controler and PSI Guage

Last post by airheadnoob
Replies: 18
by BlackH » Tue Apr 15, 2008 1:56 am
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This is my second gun and first propane gun.
I’m from South Africa and parts are kind of different here than to most of the guns here but if you want...

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this gun is sweeeet im trying to make a cannon like this but scaled down a little i used a normal lighter to lite it it worked but it was very...
18 Replies

12049 Views

Last post by airheadnoob
Tue Jun 09, 2009 5:48 am
My $10 Cannon

Last post by jaythedogg
Replies: 15
by jaythedogg » Sun Jun 07, 2009 1:51 am
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$1: El Cheapo grill lighter
$2: Epoxy (not fast drying!)
$3: 5 gallon water jug
$4: 4 foot length of 1.5 ID Schd-40 PVC
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$10 + tax

My...

Last post

The reason I would pressure test it to such a degree would be to see if it would withstand low volume propane combustion firings.

Perhaps if you...
15 Replies

5831 Views

Last post by jaythedogg
Sun Jun 07, 2009 11:05 pm

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